Home / 50,078.61-75,066.00-31,315.58

Finding the Fourth Proportional to 50,078.61, 75,066.00 and 31,315.58

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Solution

The fourth proportional to 50,078.61, 75,066.00 and 31,315.58 is: 46,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,078.61 : 75,066.00 = 31,315.58 : x
  2. Step 2: Convert to fraction form
    50,078.61/75,066.00 = 31,315.58/x
  3. Step 3: Cross multiply
    50,078.61x = 75,066.00 × 31,315.58
  4. Step 4: Simplify right side
    50,078.61x = 2,350,735,633.38
  5. Step 5: Solve for x
    x = 2,350,735,633.38/50,078.61
  6. Step 6: Final answer
    x = 46,940.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.